Philippines & Philippines. Institute for Labor Studies. (1999). Integrated labor and labor-related laws. Institute of Labor Studies, Department of Labor and Employment.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines و Philippines. Institute for Labor Studies. Integrated Labor and Labor-related Laws. Manila: Institute of Labor Studies, Department of Labor and Employment, 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines و Philippines. Institute for Labor Studies. Integrated Labor and Labor-related Laws. Institute of Labor Studies, Department of Labor and Employment, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.